825263450 has 24 divisors (see below), whose sum is σ = 1674535680. Its totient is φ = 300095600.

The previous prime is 825263389. The next prime is 825263489. The reversal of 825263450 is 54362528.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 825263450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749690 + ... + 750789.

It is an arithmetic number, because the mean of its divisors is an integer number (69772320).

Almost surely, 2^825263450 is an apocalyptic number.

825263450 is an abundant number, since it is smaller than the sum of its proper divisors (849272230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825263450 is a wasteful number, since it uses less digits than its factorization.

825263450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500502 (or 1500497 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 825263450 is about 28727.3989424730. The cubic root of 825263450 is about 937.9885501032.

The spelling of 825263450 in words is "eight hundred twenty-five million, two hundred sixty-three thousand, four hundred fifty".